726534 has 24 divisors (see below), whose sum is σ = 1589952. Its totient is φ = 239760.

The previous prime is 726533. The next prime is 726559. The reversal of 726534 is 435627.

It is a happy number.

726534 is a `hidden beast` number, since 7 + 2 + 653 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 726498 and 726507.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726534.

It is not an unprimeable number, because it can be changed into a prime (726533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3147 + ... + 3369.

It is an arithmetic number, because the mean of its divisors is an integer number (66248).

2⁷²⁶⁵³⁴ is an apocalyptic number.

726534 is an abundant number, since it is smaller than the sum of its proper divisors (863418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726534 is a wasteful number, since it uses less digits than its factorization.

726534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 409 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 726534 is about 852.3696381266. The cubic root of 726534 is about 89.8984038753.

The spelling of 726534 in words is "seven hundred twenty-six thousand, five hundred thirty-four".